Clip show episode: Joe reaches his tenth birthday, and celebrates with his friends as they reminisce over his many adventures.

The Terrahawks struggle to defend against the aliens' strange powers, and find they may be forced to stop the attack at the cost of Ninestein's life.

Zelda attacks NASA's outpost on Mars and establishes her home, then mounts an attack on Earth, forcing the Terrahawks into battle.

Three men kidnap Colonel White's daughter, Victoria and threaten to harm her unless the Colonel uses a Spectrum Rhino and help them mount an attack on an armored express train en route to Paris so that they can steal its cargo of $1 billion in gold bullion. But it is all part of a Mysteron plot by Captain Black to incriminate the Colonel in the robbery and thus end his Spectrum career. Whilst Colonel White pretends to go through with the robbery, Captain's Scarlet and Blue must get Victoria back.

The Mysterons threaten to assassinate the commanders of Earth's armed forces.

The Contessa risks her life when a deceptive new client uses her to escape the police.

A routine sweep on a counterfeiting operation goes horribly wrong for the officers of Precinct 88 when they are suddenly attacked by an unstoppable Cyborg and Took is caught in the crossfire. The Cyborg has Brogan marked for death and, one by one, Brogan's colleagues fall victim to the creature...

Tailing Short Fred Ledd to the planet Icesester, Sproggle is captured by the pirate who holds him hostage. Fred is after the Icesester Diamond, the largest diamond in the universe with the power to absorb the energy of a sun. If the Paradox crew don’t find the diamond for him within thirty minutes, Fred will cut off Sproggle’s bauble.

Twizzle escapes from a toy shop before he can be sold to a naughty little girl. He hides in a dog kennel where he finds Footso, a cat who has also run away from home as the children made fun of his big feet.

In the run-up to Christmas, Phones is captured by an undersea warrior and forced to lay a trap for Troy, who has befriended the son of a dead WASP aquanaut.